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rule.rb
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rule.rb
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module Palette
class Rule
@@max_length = 0
attr_reader :name, :fg, :bg, :gui
def initialize(name, *args)
options = args.last.is_a?(Hash) ? args.pop : {}
@name = name.to_s
@@max_length = @name.length if @name.length > @@max_length
@fg = options[:fg] || args.first
@bg = options[:bg] || (args.length > 1 ? args.last : nil)
@gui = options[:gui]
end
def to_s
return "" if fg.nil? && bg.nil? && gui.nil?
output = ["hi #{sprintf("%-#{@@max_length}s", name)}"]
if fg
color = Palette::Color.new(fg)
output << %{guifg=#{sprintf("%-7s", color.to_hex)}}
output << %{ctermfg=#{sprintf("%-4s", color.to_cterm)}}
end
if bg
color = Palette::Color.new(bg)
output << %{guibg=#{sprintf("%-7s", color.to_hex)}}
output << %{ctermbg=#{sprintf("%-4s", color.to_cterm)}}
end
@gui ||= "none"
output << %{gui=#{gui.upcase}}
if gui =~ /italic/
output << %{cterm=NONE}
else
output << %{cterm=#{gui.upcase}}
end
output.join(" ").strip
end
end
end